Coal can be used to generate hydrogen gas (a…

Coal can be used to generate hydrogen gas (a…

Coal can be used to generate hydrogen gas (a potential fuel) by the following endothermic reaction.
C(s) + H2O(g) < __> CO(g) +H2(g)
If this reaction mixture is at equilibrium, predict the effect (shift right, shift left, or no effect) of
a. adding more C to the reaction mixture.
b. adding more H20(g) to the reaction mixture.
c. raising the temperature of the reaction mixture.
d. increasing the volume of the reaction mixture.
e. adding a catalyst to the reaction mixture. 

Additional Requirements 
Level of Detail: Only answer needed